#ifndef __TREEFUN_H__
#define __TREEFUN_H__

typedef struct treenode
{
	int data;
	struct treenode *lchild;
	struct treenode *rchild;
}tree_node;

tree_node * creattree(void);

void printnode(tree_node *H);

void allprint(tree_node *H);

#endif
